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RF2484 Schematic ( PDF Datasheet ) - RF Micro Devices

Teilenummer RF2484
Beschreibung DIRECT QUADRATURE MODULATOR
Hersteller RF Micro Devices
Logo RF Micro Devices Logo 




Gesamt 12 Seiten
RF2484 Datasheet, Funktion
RF2484Direct
Quadrature
Modulator
RF2484
DIRECT QUADRATURE MODULATOR
RoHS Compliant & Pb-Free Product
Package Style: QFN, 16-pin, 4x4
Features
Typical Carrier
Suppression>35dBc, Side-
band Suppression>35dBc
over temperature with highly
linear operation
Noise Floor better than -
152dBm/Hz from 800MHz to
2200 MHz
Single 5V Power Supply
Applications
Dual-Band CDMA Base Sta-
tions
TDMA/TDMA-EDGE Base Sta-
tions
GSM-EDGE/EGSM Base Sta-
tions
W-CDMA Base Stations
WLAN and WLL Systems
GMSK,QPSK,DQPSK,QAM
Modulation
1 16 15 14 13
GND 2
GND 3
12 GND
11 GND
LO 4
5
-45°
+45°
67
10 VCC
89
Functional Block Diagram
Product Description
The RF2484 is a monolithic integrated quadrature modulator IC capable
of universal direct modulation for high-frequency AM, PM, or compound
carriers. This low-cost IC features excellent linearity, noise floor, and
over-temperature carrier suppression performance. The device imple-
ments differential amplifiers for the modulation inputs, 90° carrier phase
shift network, carrier limiting amplifiers, two matched double-balanced
mixers, summing amplifier, and an output RF amplifier which will drive
50from 800MHz to 2500MHz. It is packaged in a small industry-stan-
dard QFN 16-pin plastic package.
Ordering Information
RF2484
Direct Quadrature Modulator
RF2484PCBA-410 Fully Assembled Evaluation Board
DS121024
Optimum Technology Matching® Applied
GaAs HBT
SiGe BiCMOS
GaAs pHEMT
GaN HEMT
GaAs MESFET
Si BiCMOS
Si CMOS
InGaP HBT
SiGe HBT
Si BJT
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-
mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
1 of 12






RF2484 Datasheet, Funktion
RF2484
Pin
16
Pkg
Base
Function
Q REF
Description
Reference voltage for the Q mixer. This voltage should be the same as the
DC voltage supplied to the Q SIG pin. A voltage of 4.1V is recommended;
see pin 13 for more information.
GND
Ground connection. The package base should be connected to the ground
plane.
Interface Schematic
V CC
1 0 0 
1p
Package Drawing
3.75
0.10 C A
2 PLCS
3.75
0.10 C B
2 PLCS
-B-
0.80
TYP
INDEX AREA
1.50
SQ.
0.75
0.50
0.45
0.28
4.00
0.10 C B
2 PLCS
2.00
A
2 1.60
2 PLCS
4.00
3.20
2 PLCS
2.00
0.10 C A
2 PLCS
0.10 M C A B
12°
MAX
Dimensions in mm.
Shaded pin is lead 1.
1.00
0.90
0.05
0.00 0.75
0.65
C
0.05
6 of 12
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
DS121024

6 Page









RF2484 pdf, datenblatt
RF2484
RoHS* Banned Material Content
RoHS Compliant:
Package total w eight in grams
Compliance Date Code:
Bill of Materials Revision:
Pb Free Category:
Yes
0.037
526
-
e3
Bill of Materials
Parts Per Million (PPM)
Pb
Cd
Hg
Cr VI
PBB
PBDE
Die 0 0 0 0 0 0
Molding Com pound
000000
Lead Fram e
000000
Die Attach Epoxy
000000
Wir e
000000
Solder Plating
000000
This RoHS banned m aterial content declaration w as prepared solely on inform ation, including analytical data,
provided to RFMD by its suppliers, and applies to the Bill of Materials (BOM) revision noted above.
* DIRECTIVE 2002/95/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 27 January 2003 on the restriction of the
use of certain hazardous substances in electrical and electronic equipment
12 of 12
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
DS121024

12 Page





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